82% (2011)

83% (2006)

83% (1997)

55% (1984)

76% (2011)

84% (1990)

76% (2021)

49% (1977)

81% (1994)

77% (2004)

78% (2016)

72% (1986)

77% (2007)

78% (2003)

62% (2016)

75% (2005)

80% (2018)

71% (2019)

83% (2000)

71% (2010)